Charging apparatus for laptop computer with multi-batteries and method for the same
US8390254B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2010 |
| Grant date | Mar 5, 2013 |
| Priority date | — |
| Expiry date | May 7, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/0018
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A charging apparatus for laptop computer with multiple-batteries is used in a first battery unit and a second battery unit. The charging apparatus comprises a micro controller unit; a first charging switch unit electrically connected to the micro controller unit; a second charging switch unit electrically connected to the micro controller unit; and a charging unit electrically connected to the first charging switch unit and the second charging switch unit. The micro controller unit controls the charging unit charging the first battery unit and the second battery unit via controlling the first charging switch unit and the second charging switch unit. The charging apparatus charges multi-batteries simultaneously.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.